racionalización

n. rationalization, act of inventing possible reasons for an action that are not based on the true reasons; act of giving a rational explanation, act of basing things on logic or reason

= rationalisation [rationalization, -USA], retrenchment.
Ex: Against this proliferation of hosts there is a distinct awareness amongst users of the need for the rationalisation.
Ex: Retrenchment can be viewed as a challenge, an opportunity to make services cost-effective and increase overall efficiency.